I took my Acura NSX in for the California smog test and it passed with no
problems -- except it showed several readiness monitors were "not ready".
The technician suggested driving on both the freeway and surface streets,
then bringing the car back for a recheck. It didn't help so now I've been
researching what appears to the magic associated with getting the car to
check its own sensors.
From what I've read, it requires performing "drive cycles" and doing all
sorts of slow, freeway, and stop-and-go maneuvers. This is the craziest
I guess it's all because I changed a heated O2 sensor a few months ago and
reset the codes.
Now I have to drive the car from a cold start and do several independent
drives to try to get the readiness codes to read "ready". Some sites state
you may have to drive many hundreds of miles before the engine will recheck
Has anyone else had this problem?
- Russ in Santa Barbara